::-webkit-scrollbar {
    width: 5px;
    height: 5px;
    background-color: #fff;
}
::-webkit-scrollbar-thumb {
    background-color: #c1c1c1;
}
#div1 {
    text-align: center;
    margin-top: 60px;
}
#div1, #div2, #div3, #nextTo2, #nextTo3, #desc, #right_canvas, #pptDownload {
    display: none;
}
#outline {
    text-align: left;
    margin: 0 calc(20vw);
}
#templates {
    width: 80%;
    max-width: 1050px;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    align-items: center;
    text-align: center;
}
.template {
    margin: 8px;
    width: 240px;
    height: 136px;
    cursor: pointer;
    overflow: hidden;
    border-radius: 12px;
    background-color: #ecedf4;
    border: 2px solid transparent;
}
.template img {
    width: 100%;
    height: 100%;
    opacity: 1;
    object-fit: cover;
    transition: all .6s ease;
}
.template img:hover {
    transform: scale(1.2);
    transition-duration: .3s;
}
h1 {
    font-size: 1.6em;
    margin-block-start: 0.5em;
    margin-block-end: 0.5em;
}
h2 {
    font-size: 1.3em;
    margin-block-start: 0.7em;
    margin-block-end: 0.7em;
}
h3 {
    font-size: 1.1em;
    margin-block-start: 0.9em;
    margin-block-end: 0.9em;
}
h4 {
    margin-block-start: 1.1em;
    margin-block-end: 1.1em;
}
ul {
    list-style: none;
}
#pptDownload {
    float: right;
    padding: 6px;
}
.left_div {
    align-items: center;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    height: 96vh;
    justify-content: center;
    position: absolute;
    width: 158px;
}
.left_div_child {
    background: #fff;
    border: 1px solid #fff;
    border-radius: 6px;
    box-shadow: 0 4px 10px 0 #0003;
    margin-left: 12px;
    margin-top: 28px;
    max-height: calc(100vh - 130px);
    width: 200px;
}
.left_div_child_child {
    max-height: calc(100vh - 130px);
    overflow-x: hidden;
    overflow-y: auto;
    padding: 0 8px 0 2px;
}
.left_div_item {
    display: flex;
    cursor: pointer;
    margin: 10px 0;
}
.left_div_item_index {
    color: #8d90a5;
    flex-shrink: 0;
    padding-right: 6px;
    padding-top: 30px;
    text-align: right;
    width: 23px;
}
.left_div_item_img {
    height: 80px;
    border: 1px solid #ccc;
}
.right_div {
    padding-top: calc(10vh);
    position: absolute;
    margin-left: 280px;
}
#right_canvas {
    margin: 0px auto;
    display: block;
    border: 1px solid #666;
}
.item_select {
    border: 2px solid #491ff8;
}
.draw_el_class {
    position: fixed;
}
.draw_el_class:hover {
    cursor: text;
    border: 1.5px solid red;
}